Answer:
x/y = 4/6 = 2/3
Step-by-step explanation:
The circumference of a circle is

since the radius is half of the diameter we can substitute the diameter instead of using 2r. So we get

The we can substitute the given diameter, which is 5 and multiply it by

and get

.
Answer:
7 hours!
Step-by-step explanation:
I’m pretty sure it’s the middle one .. because x and y currency throughout